import axios from "axios";
import store from "@/store";
import { notification } from "ant-design-vue";
import errorCode from "@/utils/errorCode.js";

// 获取token
const getToken = () => store.getters.token;

axios.defaults.headers["Content-Type"] = "application/json;charset=utf-8";

// baseURL
const isProd = process.env.NODE_ENV === "production";
const baseURL = isProd ? window.location.origin : process.env.VUE_APP_BASE_API;

// 创建axios实例
const service = axios.create({
  // axios中请求配置有baseURL选项，表示请求URL公共部分
  baseURL: baseURL,
  // 超时
  timeout: 1000 * 60
});

// request拦截器
service.interceptors.request.use(
  (config) => {
    if (getToken()) {
      config.headers["auth"] = getToken();
    }
    // get请求映射params参数
    if (config.method === "get" && config.params) {
      let url = config.url + "?";
      for (const propName of Object.keys(config.params)) {
        const value = config.params[propName];
        var part = encodeURIComponent(propName) + "=";
        if (value !== null && typeof value !== "undefined") {
          if (typeof value === "object") {
            for (const key of Object.keys(value)) {
              let params = propName + "[" + key + "]";
              var subPart = encodeURIComponent(params) + "=";
              url += subPart + encodeURIComponent(value[key]) + "&";
            }
          } else {
            url += part + encodeURIComponent(value) + "&";
          }
        }
      }
      url = url.slice(0, -1);
      config.params = {};
      config.url = url;
    }
    return config;
  },
  (error) => {
    Promise.reject(error);
  }
);

// 响应拦截器
service.interceptors.response.use(
  (res) => {
    // 未设置状态码则默认成功状态
    const code = res.data.code || 200;
    // 获取错误信息
    const msg = errorCode[code] || res.data.msg;
    if (code === 401) {
      notification.error({
        message: msg
      });
      store.dispatch("global/logout").then(() => {
        location.href = "/";
      });
      return Promise.reject();
    } else if (code === 500) {
      notification.error({
        message: msg
      });
      return Promise.reject(res.data);
    } else if (code !== 200) {
      notification.error({
        message: msg
      });
      return Promise.reject("error");
    } else {
      return res.data;
    }
  },
  (error) => {
    console.log("err" + error);
    let { message } = error;
    if (message == "Network Error") {
      message = "后端接口连接异常";
    } else if (message.includes("timeout")) {
      message = "系统接口请求超时";
    } else if (message.includes("Request failed with status code")) {
      message = "系统接口" + message.substr(message.length - 3) + "异常";
    }
    notification.error({
      message: message,
      duration: 3
    });
    return Promise.reject(error);
  }
);

export default service;
